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1. 中北大学 理学院物理系, 山西 太原 030051
2. 昆山国力电真空有限公司, 江苏 昆山
收稿:2009-11-24,
修回:2010-3-7,
网络首发:2010-08-27,
纸质出版:2010-08-27
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董建会, 单 云. 碳纳米管/金刚石复合材料的场发射特性[J]. 发光学报, 2010,31(4): 595-598
DONG Jian-hui, SHAN Yun. Field Emission Property of Carbon Nanotubes/Diamond Composite[J]. 发光学报, 2010,31(4): 595-598
采用微波烧结方法制备了碳纳米管/金刚石复合材料。将碳纳米管和纳米金刚石粉末混合后研磨压片
然后在微波等离子气相沉积系统中采用微波烧结。利用扫描电镜对复合材料的表面形貌和微观结构进行了分析
结果显示碳纳米管比较均匀地分散于复合材料中
并在表面形成了发射微尖。利用二极管结构在动态真空室中对复合材料的场发射特性进行了研究
复合材料有较好的场发射特性
电流密度接近15 mA/cm
2
。
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